In one of Harley Quinn's introduction lines to Mr. Freeze, she asks if he can "make her a pony", to which he retorts, "It will make the twilight sparkle." Harley Quinn then will say, "Hahahaha! I was hoping you'd say that." This is a reference to Harley Quinn's voice actress, Tara Strong, who also voices Twilight Sparkle in the series "My Little Pony: Friendship is Magic".

Spoiler:After finishing the mission Undertaker, the player finds themselves in front of the grave of the McrReary brother they killed on the previous mission, "Blood Brothers". If the player killed Derrick McReary the they can walk through his gravestone; however, the same doesn't happen with Francis's gravestone, which is solid.

If the player selects the Uzi while inside a car and then uses the advanced weapons cheat code, Luis will be equipped with the Assault SMG inside the car. Because this was not originally intended, firing the weapon will cause a glitched animation.

If the player kills a gun store owner and comes back to the same store later, the new gun store owner will try to kill them. If there isn't a new attend three other gun store owners from different stores will appear and attack the player; sometimes this happens right after killing a gun store owner.

Keys for in-game rewards, which were intended exclusively for backers of the game's Kickstarter campaign, were stolen by a temporary contract worker hired by Limited Run Games, one of the game's distribution partners, and sold on ebay. Though unknown who the culprit was, it was decided by Limited Run Games from December, 2017, that they would cease hiring temporary contract workers.

To date, Dragon Ball FighterZ is the fastest selling video game in the Dragon Ball franchise, having sold over two million copies in less than a week. The game hadn't even been available for sale yet in Japan and Asia.

During the "Jump Up, Super Star!" song sung by Pauline, the mayor of New Donk City, the 25m theme from Donkey Kong can be heard when she sings "Odyssey, ya see". Also whilst she sings, her dance mimics her sprite movements in Donkey Kong.

The world record for the fastest completion time in the game has had contentious debate over its legitimacy. Todd Rogers had held the record since 1982 with a completion time of 5.51 seconds which he submitted to Activision’s official fan newsletter, which was also later recognized by the Guinness World Records. Despite even having support from Activision's founder David Crane over it's legitimacy, Rogers was stripped of his record in 2018, as well as his records for other games, as it was determined with evidence that the only possible legitimate fastest record to get in the game was 5.57 seconds.

During the first act, Spoiler:Yuri mentions how she has a large collection of intricate knives, however she stabs herself with a large, plain kitchen knife. Dan Salvato, the main developer of the game, later confirmed in a Reddit AMA that this was an artistic error.

In 2017, the game's publisher, Efun Company, ran a promotion for the game in South Korea where anyone who had entered could win the grand prize of a pair of underwear worn by Kirara Asuka, a Japanese porn star who also had previously appeared as an in-game hostess in the game Yakuza 2. Other prizes included 3M wireless chargers and Google Play gift cards. In South Korea, the game is rated 12+, however people who want to enter have to provide valid identification. Over 230,000 people had entered the competition by November 2017.

The banjo playing old man who appears on the cover of the North American release was played by Bertil Valley. Valley had been a volunteer Santa Claus for over 25 years, who prior to Phalanx appeared as a Santa on the cover of the Christmas album "Christmas in the Northwest". He had also owned his own successful construction company for over 20 years. Valley had passed away in 2004.

Contrary to popular belief, Urien's name is not a mistranslation of the name 'Julien', but rather it's a very obscure Welsh name taken from legends and Arthurian romances. The name means "privileged birth", which correlates directly with his parents being high-ranking members of the Illuminati, as well as his entitled attitude and wish to rule with utter supremacy.

BioWare held a competition for two people to be chosen to each provide voice work for a minor character in the game. Out of over 16,000 entrants, the two entrants who were chosen were Cari Scholtens and Kyle Land.